MASK_0
priv->bank_bit[1] = (regval & MASK_0);
priv->rank_bit[0] = (regval & MASK_0);
err_addr |= (pinf.bank & BIT(0)) << (reg & MASK_0);
err_addr |= (pinf.rank & BIT(0)) << (reg & MASK_0);
err_addr |= (pinf.lrank & BIT(0)) << (reg & MASK_0);